Fox News' Tucker Carlson had a rare ratings blip on Friday, losing to a John Berman-hosted version of Anderson Cooper 360 in the coveted 25-54 demographic. According to Nielsen Media Research, AC360 was the most-watched show in cable news during primetime on Friday for ages 25-54 with around 604,000 viewers, edging out its 9 p.m. successor Cuomo Prime Time into second place. In comparison, Tucker Carlson Tonight was watched by 534,000 aged between 25 and 54 at 8 p.m. on Friday, placing the show in fifth overall for the age group.